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Find Tankless water heater repair pros in Cos Cob

Avatar for Sila Heating, Cooling and Plumbing

Sila Heating, Cooling and Plumbing

4.67(
769
)
Approved Pro

Sila Heating, Cooling and Plumbing

4.67(
769
)
Approved Pro
Customers say: Super punctual
366 local quotes requested
36 years of experience

Live Your Most Comfortable Life with a Company You Trust. We offer Same Day Service and Next Day Installation! Sila has been the center of delighting homeowners since 1989, with our team of engineers, certified technicians, and system designers that are proud to deliver the highest level of expertise in the HVAC industry. Whether it’s a repair, replacement, installation, or service, we have an unwavering commitment to keeping you and your family comfortable and safe — season after season. We guarantee satisfaction and are proud to have earned over 7,000 “A” ratings on Angie’s List and its prestigious Super Service Award!

"Did a great job"

susan s on March 2025

Live Your Most Comfortable Life with a Company You Trust. We offer Same Day Service and Next Day Installation! Sila has been the center of delighting homeowners since 1989, with our team of engineers, certified technicians, and system designers that are proud to deliver the highest level of expertise in the HVAC industry. Whether it’s a repair, replacement, installation, or service, we have an unwavering commitment to keeping you and your family comfortable and safe — season after season. We guarantee satisfaction and are proud to have earned over 7,000 “A” ratings on Angie’s List and its prestigious Super Service Award!

"Did a great job"

susan s on March 2025


EcoFlow, LLC

5.00(
6
)
Approved Pro

EcoFlow, LLC

5.00(
6
)
Approved Pro
Customers say: Quick response
20 local quotes requested
11 years of experience

EcoFlow, LLC, is a fully licensed and insured (in Connecticut and Westchester County, NY) locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have over 16 years of hands on experience, to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with. Please feel free to contact us today!

"Plumbing professional put in connector for ice maker, and replaced my water heater. He was very prompt, efficient, and knowledgeable. He was able to explain everything as well. Very neat when doing the job, & cleaned when finished. I would highly recommend getting services from this professional."

Rosemary M on October 2025

EcoFlow, LLC, is a fully licensed and insured (in Connecticut and Westchester County, NY) locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have over 16 years of hands on experience, to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with. Please feel free to contact us today!

"Plumbing professional put in connector for ice maker, and replaced my water heater. He was very prompt, efficient, and knowledgeable. He was able to explain everything as well. Very neat when doing the job, & cleaned when finished. I would highly recommend getting services from this professional."

Rosemary M on October 2025


Avatar for H L Bowman

H L Bowman

4.72(
387
)
Approved Pro

H L Bowman

4.72(
387
)
Approved Pro
Customers say: Super punctual
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
2183 local quotes requested

HL Bowman has been in the same location for 38 years and owned by the same family for over 65 years. HL Bowman is a non commission based company. HL Bowman employees will never upsell you a product you don't need. Dennis and Bryan Enders and his family have deep roots in the Harrisburg community. After 65 years Dennis and family stay committed to giving the community the best possible service and product to fit their needs. HL Bowman has won Angie's List super service award every year.

"Exceptional service from the initial diagnosis to repair, superb team. I appreciated everyone's thoroughness, willingness and honest business tactics. They provided a safe environment for me to ask questions and we explored all options. Ultimately, Joshua, sealed the deal by being caring and understanding. His expertise showed but most importantly his work ethics and integrity was felt. Many thanks to the whole team Brett, Joshua, Jason and Peter delivered Top notch service. Lastly, the communication was A+. Loved receiving text messages with photo id's, true professionals. Highly recommend! You won't be disappointed!"

angela w on August 2025

HL Bowman has been in the same location for 38 years and owned by the same family for over 65 years. HL Bowman is a non commission based company. HL Bowman employees will never upsell you a product you don't need. Dennis and Bryan Enders and his family have deep roots in the Harrisburg community. After 65 years Dennis and family stay committed to giving the community the best possible service and product to fit their needs. HL Bowman has won Angie's List super service award every year.

"Exceptional service from the initial diagnosis to repair, superb team. I appreciated everyone's thoroughness, willingness and honest business tactics. They provided a safe environment for me to ask questions and we explored all options. Ultimately, Joshua, sealed the deal by being caring and understanding. His expertise showed but most importantly his work ethics and integrity was felt. Many thanks to the whole team Brett, Joshua, Jason and Peter delivered Top notch service. Lastly, the communication was A+. Loved receiving text messages with photo id's, true professionals. Highly recommend! You won't be disappointed!"

angela w on August 2025


Avatar for Cassidy Plumbing and Heating, Inc

Cassidy Plumbing and Heating, Inc

4.71(
24
)
Approved Pro

Cassidy Plumbing and Heating, Inc

4.71(
24
)
Approved Pro
Super Service Award
Customers say: True professional
125 local quotes requested
33 years of experience

We are a fully licensed and insured plumbing and heating service offering comprehensive services for plumbing and heating in Westchester NY, Putnam NY, Southern Dutchess and the surrounding areas. Our services include toilet repair, hot water heaters, leak repair, drain cleaning, boiler services and much more. A complete listing of the services offered by our professional plumbers can be found on our website. In addition to plumbing and heating services for existing homes and new construction, we offer 24-hour emergency service for plumbing emergencies. Check our website www.cassidyplumbinginc.com for our specials.

"Junior and Mason arrived early, accessed determined where the problem originated, explained what my options were and fixed the issue. Both were nice and made sure I was made aware of what was going on step by step. Very glad I went with this company. "

D'Wana B on December 2025

We are a fully licensed and insured plumbing and heating service offering comprehensive services for plumbing and heating in Westchester NY, Putnam NY, Southern Dutchess and the surrounding areas. Our services include toilet repair, hot water heaters, leak repair, drain cleaning, boiler services and much more. A complete listing of the services offered by our professional plumbers can be found on our website. In addition to plumbing and heating services for existing homes and new construction, we offer 24-hour emergency service for plumbing emergencies. Check our website www.cassidyplumbinginc.com for our specials.

"Junior and Mason arrived early, accessed determined where the problem originated, explained what my options were and fixed the issue. Both were nice and made sure I was made aware of what was going on step by step. Very glad I went with this company. "

D'Wana B on December 2025


Astacio Plumbing & Heating

4.36(
33
)
Approved Pro

Astacio Plumbing & Heating

4.36(
33
)
Approved Pro
Customers say: Super punctual
213 local quotes requested
21 years of experience

What sets Astacio Plumbing and Heating apart from the rest of the field is the use of cutting edge technology to increase reliability, save you time and money, and improve safety on the job. Rich stays up-to-date on all the latest developments in plumbing and heating technology to determine how best to serve his customers. His trucks all carry the tools to get the job done on time and on budget, with as little disruption as possible. Astacio Plumbing and Heating has also spent years developing strong relationships with the best companies in the plumbing and heating business so that they can provide great service to you, quick delivery of replacement parts, and reasonable prices on excellent products. See website for additional service area. Additional email - tina@astacioplumbing.com.

"Cost was high for work performed"

Melvin T on August 2024

What sets Astacio Plumbing and Heating apart from the rest of the field is the use of cutting edge technology to increase reliability, save you time and money, and improve safety on the job. Rich stays up-to-date on all the latest developments in plumbing and heating technology to determine how best to serve his customers. His trucks all carry the tools to get the job done on time and on budget, with as little disruption as possible. Astacio Plumbing and Heating has also spent years developing strong relationships with the best companies in the plumbing and heating business so that they can provide great service to you, quick delivery of replacement parts, and reasonable prices on excellent products. See website for additional service area. Additional email - tina@astacioplumbing.com.

"Cost was high for work performed"

Melvin T on August 2024


"Everything went great. Aldo was the first to return my request for service on a Saturday afternoon and he came out Sunday morning showing up promptly. He was friendly and very efficient."

Paul R on May 2025

At Aldo's Plumbing, serving the Tri-State Area, we prioritize customer satisfaction. Our expertise in water heaters ensures that your home projects are handled with care. Contact us today for a seamless experience!

"Everything went great. Aldo was the first to return my request for service on a Saturday afternoon and he came out Sunday morning showing up promptly. He was friendly and very efficient."

Paul R on May 2025


Avatar for Roto-Rooter Plumbing & Water Cleanup

Roto-Rooter Plumbing & Water Cleanup

4.37(
158
)
Approved Pro

Roto-Rooter Plumbing & Water Cleanup

4.37(
158
)
Approved Pro
Customers say: Quick response
206 local quotes requested
90 years of experience

When you need an emergency plumber or a drain cleaner, call Roto-Rooter Plumbing & Water Cleanup. Your fast & reliable plumber can fix any plumbing problem, including sump pumps, toilet repair, faucet repair, faucet replacement, garbage disposals, water heaters, bathtubs, showers, and outside faucets. Roto-Rooter is best known for drain cleaning & sewer cleaning. We fix drain clogs, clogged toilets or sinks, blockage of main sewer lines, slow draining shower and bathtub drains, sewer lines and leaking or burst pipes. We also specialize in water damage restoration & water cleanup services. We can fix and clean up your flooded basement too. Roto-Rooter is a 24-hour plumber near you and provides emergency service.

"The technician came in and did an excellent job."

James W on December 2025

When you need an emergency plumber or a drain cleaner, call Roto-Rooter Plumbing & Water Cleanup. Your fast & reliable plumber can fix any plumbing problem, including sump pumps, toilet repair, faucet repair, faucet replacement, garbage disposals, water heaters, bathtubs, showers, and outside faucets. Roto-Rooter is best known for drain cleaning & sewer cleaning. We fix drain clogs, clogged toilets or sinks, blockage of main sewer lines, slow draining shower and bathtub drains, sewer lines and leaking or burst pipes. We also specialize in water damage restoration & water cleanup services. We can fix and clean up your flooded basement too. Roto-Rooter is a 24-hour plumber near you and provides emergency service.

"The technician came in and did an excellent job."

James W on December 2025


Avatar for Bruni & Campisi

Bruni & Campisi

4.44(
270
)

Bruni & Campisi

4.44(
270
)
Customers say: Super punctual
46 years of experience

60+ employees. Uses subs. Cost is determined by the job. Travel charges apply. Extra charges apply for 24 hr emergency service. Also DBA: Bru-cam Inc. Westchester license #'s: 002 & 179 Connecticut license #'s: 204560 & 385574. Additional phone #: (914)269-6778, 914-517-4226, & 203-413-3163

"They were able to fix it, they did very professional , everything went fine , I was very pleased. They were professional and they were on time."

Ronald A K on February 2023

60+ employees. Uses subs. Cost is determined by the job. Travel charges apply. Extra charges apply for 24 hr emergency service. Also DBA: Bru-cam Inc. Westchester license #'s: 002 & 179 Connecticut license #'s: 204560 & 385574. Additional phone #: (914)269-6778, 914-517-4226, & 203-413-3163

"They were able to fix it, they did very professional , everything went fine , I was very pleased. They were professional and they were on time."

Ronald A K on February 2023


CUSTOM SPRAYING AND REGLAZING

4.73(
33
)

CUSTOM SPRAYING AND REGLAZING

4.73(
33
)
Customers say: Super punctual
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers

Reglazing of bathtubs,sinks,tiles,electrostatic painting of metal surfaces,office furniture ,metal kitchen cabinets

Reglazing of bathtubs,sinks,tiles,electrostatic painting of metal surfaces,office furniture ,metal kitchen cabinets


T. Walsh Inc.

5.00(
1
)

T. Walsh Inc.

5.00(
1
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Gereral Contractor Full Service Home builder and remodeler/ Commerical work

Gereral Contractor Full Service Home builder and remodeler/ Commerical work

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